{"id":"vidhyamitra:city-day:phoenix:2103-09-30:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/2103-09-30","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2103-09-30","date_display":"September 30, 2103 CE","panchanga":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2103,"month":9,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2489436.770833,"kali_year":5205,"ahargana":1900971.2708,"sun":{"sidereal_longitude":159.9786,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":145.587,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":345.6084,"elapsed_within_tithi_degrees":9.6084},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4,"moon_longitude":145.587,"elapsed_within_degrees":12.2537},"yoga":{"number":23,"name":"Śubha","sum_longitude":305.5656},"karana":{"half_tithi_index":57,"name":"Śakuni"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"sky":{"method":"Sūrya-Siddhāntic Bhāskara-II 4-step iteration with atan2-based śīghra + varying peripheries + lunar latitude","engine_version":"3.0 (Pūrṇa — complete SS implementation)","tradition_sources":"Āryabhaṭīya 499 CE → SS Ch.1-5 Burgess 1860 → Siddhānta-Śiromaṇi Bhāskara II 1150 → Tantrasaṅgraha Nīlakaṇṭha 1501","input":{"year":2103,"month":9,"day":30,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2489436.770833,"ahargana":1900971.2708,"kali_year":5205,"ayanamsa_lahiri":25.3022,"grahas":{"sun":{"sidereal_longitude":160.97466600000007,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"moon":{"sidereal_longitude":146.72556600000001,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false,"latitude":-4.1774},"mars":{"sidereal_longitude":78.424666,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":158.43256599999995,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":261.77416600000004,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":113.35406599999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":211.83236599999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":257.394,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":77.394,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false}},"panchang":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2103,"month":9,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2489436.770833,"kali_year":5205,"ahargana":1900971.2708,"sun":{"sidereal_longitude":159.9786,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":145.587,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":345.6084,"elapsed_within_tithi_degrees":9.6084},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4,"moon_longitude":145.587,"elapsed_within_degrees":12.2537},"yoga":{"number":23,"name":"Śubha","sum_longitude":305.5656},"karana":{"half_tithi_index":57,"name":"Śakuni"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.177,"elongation":14.392},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.177,"opposition_distance":165.608}},"eclipse_window_40days":[]},"city":{"slug":"phoenix","name":"Phoenix, USA","lat":33.4484,"lon":-112.074,"tz_offset_hours":-7,"country":"US","tier":"diaspora"},"tier2":{"city":{"slug":"phoenix","name":"Phoenix, USA","lat":33.4484,"lon":-112.074,"tz_offset_hours":-7,"country":"US","tier":"diaspora"},"sunriseLocal":"06:20","sunsetLocal":"18:15","solarNoonLocal":"12:17","dayLengthHours":11.91357372658892,"dayLengthDisplay":"11 Hours 54 Mins 49 Secs","nightLengthDisplay":"12 Hours 05 Mins 11 Secs","moonriseLocal":"05:09","moonsetLocal":"17:32","rahuKala":{"name":"Rāhu Kāla","start":"16:46","end":"18:15","startHours":16.758445542221082,"endHours":18.2476422580447,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:17","end":"13:47","startHours":12.290855394750238,"endHours":13.780052110573855,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:16","end":"16:46","startHours":15.269248826397469,"endHours":16.758445542221082,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:07","end":"09:31","startHours":9.113902400993194,"endHours":9.511021525212826,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:50","end":"07:09","startHours":6.830467436730317,"endHours":7.148162736106022,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:54","end":"12:41","startHours":11.893736270530608,"endHours":12.687974518969868,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:45","end":"05:32","startHours":4.745592034577257,"endHours":5.539830283016518,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:20","end":"06:20","startHours":5.341270720906703,"endHours":6.334068531455779,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:17","end":"15:04","startHours":14.276451015848393,"endHours":15.070689264287655,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:03","end":"18:27","startHours":18.0476422580447,"endHours":18.4476422580447,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:15","end":"18:45","startHours":18.2476422580447,"endHours":18.74404116331924,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:00","end":"19:45","startHours":17.9976422580447,"endHours":19.7476422580447,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:54","end":"00:41","startHours":23.893736270530606,"endHours":24.68797451896987,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:20","end":"07:49","startHours":6.334068531455779,"endHours":7.823265247279394,"quality":"inauspicious"},{"name":"Chala","start":"07:49","end":"09:19","startHours":7.823265247279394,"endHours":9.31246196310301,"quality":"neutral"},{"name":"Labha","start":"09:19","end":"10:48","startHours":9.31246196310301,"endHours":10.801658678926625,"quality":"auspicious"},{"name":"Amṛta","start":"10:48","end":"12:17","startHours":10.801658678926625,"endHours":12.290855394750238,"quality":"auspicious"},{"name":"Kāla","start":"12:17","end":"13:47","startHours":12.290855394750238,"endHours":13.780052110573855,"quality":"inauspicious"},{"name":"Śubha","start":"13:47","end":"15:16","startHours":13.780052110573855,"endHours":15.269248826397469,"quality":"auspicious"},{"name":"Roga","start":"15:16","end":"16:46","startHours":15.269248826397469,"endHours":16.758445542221082,"quality":"inauspicious"},{"name":"Udveg","start":"16:46","end":"18:15","startHours":16.758445542221082,"endHours":18.2476422580447,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:15","end":"19:46","startHours":18.2476422580447,"endHours":19.758445542221086,"quality":"auspicious"},{"name":"Roga","start":"19:46","end":"21:16","startHours":19.758445542221086,"endHours":21.26924882639747,"quality":"inauspicious"},{"name":"Udveg","start":"21:16","end":"22:47","startHours":21.26924882639747,"endHours":22.780052110573855,"quality":"inauspicious"},{"name":"Chala","start":"22:47","end":"00:17","startHours":22.780052110573855,"endHours":24.29085539475024,"quality":"neutral"},{"name":"Labha","start":"00:17","end":"01:48","startHours":24.29085539475024,"endHours":25.801658678926625,"quality":"auspicious"},{"name":"Amṛta","start":"01:48","end":"03:19","startHours":25.801658678926625,"endHours":27.31246196310301,"quality":"auspicious"},{"name":"Kāla","start":"03:19","end":"04:49","startHours":27.31246196310301,"endHours":28.823265247279394,"quality":"inauspicious"},{"name":"Śubha","start":"04:49","end":"06:20","startHours":28.823265247279394,"endHours":30.334068531455777,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:20","end":"07:20","startHours":6.334068531455779,"endHours":7.334068531455779,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:20","end":"08:20","startHours":7.334068531455779,"endHours":8.33406853145578,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:20","end":"09:20","startHours":8.33406853145578,"endHours":9.33406853145578,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:20","end":"10:20","startHours":9.33406853145578,"endHours":10.33406853145578,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:20","end":"11:20","startHours":10.33406853145578,"endHours":11.33406853145578,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:20","end":"12:20","startHours":11.33406853145578,"endHours":12.33406853145578,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:20","end":"13:20","startHours":12.33406853145578,"endHours":13.33406853145578,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:20","end":"14:20","startHours":13.33406853145578,"endHours":14.33406853145578,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:20","end":"15:20","startHours":14.33406853145578,"endHours":15.33406853145578,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:20","end":"16:20","startHours":15.33406853145578,"endHours":16.334068531455777,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:20","end":"17:20","startHours":16.334068531455777,"endHours":17.334068531455777,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:20","end":"18:20","startHours":17.334068531455777,"endHours":18.334068531455777,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:20","end":"19:20","startHours":18.334068531455777,"endHours":19.334068531455777,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:20","end":"20:20","startHours":19.334068531455777,"endHours":20.334068531455777,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:20","end":"21:20","startHours":20.334068531455777,"endHours":21.334068531455777,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:20","end":"22:20","startHours":21.334068531455777,"endHours":22.334068531455777,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:20","end":"23:20","startHours":22.334068531455777,"endHours":23.334068531455777,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:20","end":"00:20","startHours":23.334068531455777,"endHours":24.334068531455777,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:20","end":"01:20","startHours":24.334068531455777,"endHours":25.334068531455777,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:20","end":"02:20","startHours":25.334068531455777,"endHours":26.334068531455777,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:20","end":"03:20","startHours":26.334068531455777,"endHours":27.334068531455777,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:20","end":"04:20","startHours":27.334068531455777,"endHours":28.334068531455777,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:20","end":"05:20","startHours":28.334068531455777,"endHours":29.334068531455777,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:20","end":"06:20","startHours":29.334068531455777,"endHours":30.334068531455777,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"West","rahuVasa":"North-East","anandadiYoga":{"name":"Chatra","quality":"Auspicious"},"tropicalRitu":"Śarad (Autumn) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-2.492308551901206,"eotMinutes":10.844676314985584,"ayanamsa":25.3022}},"calendars":{"vikram_samvat":2160,"vikram_samvatsara":"Dhātṛ","saka_samvat":2025,"saka_samvatsara":"Rudhirodgāri","bengali_samvat":1510,"malayalam_era":1279,"nanakshahi_year":634,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āśvina","lunar_month_amanta":"Bhādrapada","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Kṛṣṇa Caturdaśī · Vikram 2160 Dhātṛ · Śaka 2025 Rudhirodgāri"},"festivals":[{"id":"masika-shivaratri","name":"Māsika Śivarātri","name_sanskrit":"मासिक शिवरात्रि","tradition":"Shaiva","associated_deity":"Śiva","significance":"Monthly Śiva observance.","vrata":true,"detection":{"tithi_number":29,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"phoenix"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga September 30, 2103 CE · Phoenix, USA · Vidhyamitra","description":"September 30, 2103 CE for Phoenix, USA: Kṛṣṇa Caturdaśī, sūryodaya 06:20, sūryāsta 18:15.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/2103-09-30","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/2103-09-30","sa":"https://sa.vidhyamitra.com/city/phoenix/2103-09-30","hi":"https://hi.vidhyamitra.com/city/phoenix/2103-09-30","x-default":"https://vidhyamitra.com/city/phoenix/2103-09-30"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T07:30:17.897Z","verification":{"type":"multi-marker","confidence":"canonical"}},{"pillar":"Vidhyamitra-Tier2","pillar_version":"0.1.0","method":"Spherical astronomy + Lahiri ayanamsa + standard solar declination + EoT correction","retrieved_at":"2026-06-03T07:30:17.897Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T07:30:17.897Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}